Loose leaf binder revision device and method of using same

Details Loose leaf binder revision device and method of using same Loose leaf binder revision device and method of using same

1990-09-19

1992-11-03

Gorski, Joseph M.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer including sheet guide means

402 80R, 402 31, B42F 1300

Patent

active

051602083

ABSTRACT:
A quick revision apparatus (22) and method for guiding loose leaf documents (12) across a gap (11) between a pair of mating binder ring members (3A and 3B) to facilitate quick revision of a set of documents (12) held thereby having a pivotally mounted bridge (6A) for spanning the gap (11) which is moved to an operative position by movement of a leaf element (12) thereon from one of the ring members (3B) to the other ring member (3A).

REFERENCES:
patent: 764502 (1904-07-01), Robson et al.
patent: 805575 (1905-11-01), Morden
patent: 1091986 (1914-03-01), Tragardh
patent: 1344971 (1920-06-01), Allison
patent: 2093041 (1937-09-01), Emery
patent: 2180892 (1939-11-01), Adams
patent: 2236321 (1941-03-01), Ostrander
patent: 2322180 (1943-06-01), Vernon
patent: 2329351 (1943-09-01), Korvin-Kroukovsky
patent: 3785740 (1974-01-01), Strong

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